@article{04208665,
title = {Boundary value problems in time for wave equations on },
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {13},
year = {1990},
pages = {625-644},
doi = {10.1155/S0161171290000886},
zbl = {0731.35060},
language = {en},
url = {http://dml.mathdoc.fr/item/04208665}
}
Smiley, M.W.; Fink, A.M. Boundary value problems in time for wave equations on . International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 625-644. doi : 10.1155/S0161171290000886. http://gdmltest.u-ga.fr/item/04208665/